/* QC Soluciones S.A.S. — sistema visual
   Navy #0E2545 (logo) · Acero #6E7276 (logo) · Latón #C08A3E (acento, sello de comercio)
   Display: Archivo · Texto: Inter · Códigos: JetBrains Mono                        */

:root{
  --navy:#0E2545;
  --navy-900:#08182F;
  --navy-700:#16375F;
  --steel:#6E7276;
  --brass:#C08A3E;
  --brass-soft:#E4B872;
  --paper:#F4F3F0;
  --paper-2:#FFFFFF;
  --ink:#0B1A2E;
  --line:rgba(14,37,69,.12);
  --wa:#1FA855;

  --wrap:1180px;
  --r:4px;
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--brass);outline-offset:3px;border-radius:2px}

.skip{position:absolute;left:-9999px;top:0;background:var(--brass);color:#fff;padding:.7rem 1rem;z-index:200}
.skip:focus{left:1rem;top:1rem}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:24px}

/* ---------- tipografía ---------- */
.h2{
  font-family:"Archivo",sans-serif;font-weight:700;
  font-size:clamp(2rem,4.4vw,3.1rem);line-height:1.06;letter-spacing:-.025em;
  margin:.35rem 0 0;color:var(--navy);
}
.h2--light{color:#fff}
.h3{
  font-family:"Archivo",sans-serif;font-weight:600;
  font-size:1.32rem;line-height:1.2;letter-spacing:-.015em;margin:.5rem 0 .6rem;color:var(--navy);
}
.eyebrow{
  font-family:"JetBrains Mono",ui-monospace,monospace;font-size:.72rem;font-weight:500;
  letter-spacing:.22em;text-transform:uppercase;color:var(--brass);margin:0;
}
.eyebrow--light{color:var(--brass-soft)}
.code{
  font-family:"JetBrains Mono",ui-monospace,monospace;font-size:.7rem;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;margin:0;display:block;
}
.code--brass{color:var(--brass)}

/* ---------- botones ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.55rem;
  font-family:"Archivo",sans-serif;font-weight:600;font-size:.94rem;letter-spacing:.005em;
  padding:.72rem 1.25rem;border-radius:var(--r);text-decoration:none;
  transition:transform .25s var(--ease),background-color .25s var(--ease),box-shadow .25s var(--ease),color .25s var(--ease);
}
.btn svg{width:19px;height:19px;fill:currentColor;flex:none}
.btn--wa{background:var(--wa);color:#fff;box-shadow:0 6px 18px -8px rgba(31,168,85,.9)}
.btn--wa:hover{background:#1a8f48;transform:translateY(-2px)}
.btn--ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.38)}
.btn--ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}
.btn--lg{padding:.95rem 1.6rem;font-size:1.02rem}
.link{
  display:inline-block;margin-top:.9rem;font-family:"Archivo",sans-serif;font-weight:600;
  text-decoration:none;border-bottom:1.5px solid currentColor;padding-bottom:2px;
}
.link:hover{opacity:.75}

/* ---------- header ---------- */
.head{
  position:sticky;top:0;z-index:100;
  background:rgba(8,24,47,.86);backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.1);
  transition:background-color .3s var(--ease);
}
.head.is-solid{background:var(--navy-900)}
.head__in{display:flex;align-items:center;gap:1.5rem;height:70px}
.mark{display:flex;align-items:center;gap:.6rem;text-decoration:none;margin-right:auto}
.mark__qc{
  font-family:"Archivo",sans-serif;font-weight:800;font-size:1.72rem;line-height:1;
  color:#fff;letter-spacing:-.05em;
}
.mark__c{color:#9AA0A6}
.mark__txt{display:flex;flex-direction:column;line-height:1;padding-left:.6rem;border-left:1px solid rgba(255,255,255,.22)}
.mark__name{font-family:"Archivo",sans-serif;font-size:.72rem;font-weight:600;letter-spacing:.3em;color:#fff}
.mark__sub{font-family:"JetBrains Mono",monospace;font-size:.6rem;letter-spacing:.2em;color:var(--brass-soft);margin-top:4px}

.nav{display:flex;gap:1.6rem}
.nav a{
  color:rgba(255,255,255,.82);text-decoration:none;font-size:.92rem;font-weight:500;
  padding:.3rem 0;border-bottom:1px solid transparent;transition:color .2s,border-color .2s;
}
.nav a:hover{color:#fff;border-color:var(--brass)}

.burger{display:none;background:none;border:0;padding:10px;cursor:pointer}
.burger span{display:block;width:22px;height:2px;background:#fff;margin:4px 0;transition:transform .3s var(--ease)}
.burger[aria-expanded="true"] span:first-child{transform:translateY(3px) rotate(45deg)}
.burger[aria-expanded="true"] span:last-child{transform:translateY(-3px) rotate(-45deg)}
.menu{background:var(--navy-900);border-top:1px solid rgba(255,255,255,.1);padding:.5rem 24px 1.2rem}
.menu a{display:block;color:#fff;text-decoration:none;padding:.75rem 0;border-bottom:1px solid rgba(255,255,255,.08);font-weight:500}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--navy);color:#fff;isolation:isolate;overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:-2}
.hero__bg img{width:100%;height:100%;object-fit:cover;opacity:.3;filter:grayscale(.35)}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(103deg,var(--navy) 0%,rgba(14,37,69,.94) 46%,rgba(8,24,47,.62) 100%);
}
.hero__in{padding:clamp(4.5rem,11vw,8rem) 24px clamp(5rem,9vw,7rem);max-width:960px;margin-inline:auto;width:100%}
.hero__h1{
  font-family:"Archivo",sans-serif;font-weight:800;
  font-size:clamp(2.6rem,7.2vw,5.1rem);line-height:.98;letter-spacing:-.038em;
  margin:1rem 0 0;position:relative;display:inline-block;
}
.hero__h1 em{font-style:normal;font-weight:500;color:var(--brass-soft)}
.swoosh{display:block;width:min(58%,340px);height:auto;margin-top:.35rem;fill:var(--brass)}
.swoosh path{
  stroke-dasharray:1000;stroke-dashoffset:0;
  animation:draw 1.4s .35s var(--ease) both;
}
@keyframes draw{from{clip-path:inset(0 100% 0 0)}to{clip-path:inset(0 0 0 0)}}
.hero__lead{
  max-width:56ch;margin:1.5rem 0 0;font-size:clamp(1.02rem,1.7vw,1.18rem);
  color:rgba(255,255,255,.86);
}
.hero__cta{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:2.2rem}

/* franja manifiesto */
.manifest{border-top:1px solid rgba(255,255,255,.16);background:rgba(8,24,47,.55);backdrop-filter:blur(6px)}
.manifest__in{display:grid;grid-template-columns:repeat(5,1fr)}
.manifest__i{
  display:flex;align-items:baseline;gap:.55rem;padding:1.1rem .4rem;text-decoration:none;
  font-family:"Archivo",sans-serif;font-weight:600;font-size:.95rem;color:rgba(255,255,255,.9);
  border-left:1px solid rgba(255,255,255,.14);transition:background-color .25s var(--ease),color .25s;
}
.manifest__i:first-child{border-left:0}
.manifest__i .code{color:var(--brass);font-size:.66rem}
.manifest__i:hover{background:rgba(192,138,62,.16);color:#fff}

/* ---------- secciones ---------- */
.sec{padding:clamp(4rem,8vw,6.5rem) 0}
.sec--paper{background:var(--paper)}
.sec--navy{background:var(--navy);color:rgba(255,255,255,.84)}
.sec--cta{background:var(--navy-900);color:#fff;padding-block:clamp(3.5rem,7vw,5.5rem)}
.sec__head{max-width:660px;margin-bottom:clamp(2.2rem,4vw,3.2rem)}
.sec__head--center{margin-inline:auto;text-align:center}
.sec__lead{color:#4A5666;margin:1rem 0 0;font-size:1.05rem}

/* ---------- tarjetas ---------- */
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:0 22px 44px -28px rgba(11,26,46,.55)}
.card--wide{grid-column:span 2;flex-direction:row}
.card--wide .card__img{flex:0 0 46%}
.card__img{background:var(--navy-700);overflow:hidden}
.card__img img{width:100%;height:100%;min-height:210px;object-fit:cover;transition:transform .6s var(--ease)}
.card:hover .card__img img{transform:scale(1.05)}
.card__body{padding:1.6rem;display:flex;flex-direction:column;justify-content:center}
.card__body p{margin:0;color:#4A5666;font-size:.98rem}
.card--brass{grid-column:span 2;background:var(--brass);border-color:var(--brass);color:#fff}
.card--brass .card__body{padding:2rem 2.2rem;max-width:70ch}
.card--brass .h3,.card--brass .code{color:#fff}
.card--brass .card__body p{color:rgba(255,255,255,.92)}

.tags{list-style:none;display:flex;flex-wrap:wrap;gap:.4rem;padding:0;margin:1.1rem 0 0}
.tags li{
  font-family:"JetBrains Mono",monospace;font-size:.68rem;letter-spacing:.06em;
  border:1px solid var(--line);border-radius:999px;padding:.32rem .7rem;color:var(--navy);
}

/* ---------- nosotros ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.split__p{margin:1.3rem 0 0;max-width:52ch}
.facts{margin:2rem 0;padding:0;border-top:1px solid rgba(255,255,255,.16)}
.facts div{display:grid;grid-template-columns:130px 1fr;gap:1rem;padding:.85rem 0;border-bottom:1px solid rgba(255,255,255,.16)}
.facts dt{
  font-family:"JetBrains Mono",monospace;font-size:.66rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--brass-soft);padding-top:4px;
}
.facts dd{margin:0;color:#fff;font-size:.98rem}
.split__pics{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.pic{margin:0;overflow:hidden;border-radius:var(--r);background:var(--navy-700)}
.pic img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.pic:hover img{transform:scale(1.06)}
.pic--tall{grid-row:span 2;min-height:340px}
.pic:not(.pic--tall){min-height:163px}

/* ---------- proceso ---------- */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s}
.steps li{padding:1.6rem 1.4rem;border-left:1px solid var(--line);position:relative}
.steps li:first-child{border-left:0;padding-left:0}
.steps li p{margin:0;color:#4A5666;font-size:.96rem}
.steps li::before{
  content:"";position:absolute;top:0;left:-1px;width:1px;height:0;background:var(--brass);
  transition:height .5s var(--ease);
}
.steps li:hover::before{height:100%}

/* ---------- cta ---------- */
.cta{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.cta__lead{margin:1.1rem 0 2rem;color:rgba(255,255,255,.82);max-width:44ch}
.cta__note{
  margin:1rem 0 0;font-family:"JetBrains Mono",monospace;font-size:.68rem;
  letter-spacing:.13em;text-transform:uppercase;color:var(--brass-soft);
}
.cta__data{list-style:none;margin:0;padding:0;border-top:1px solid rgba(255,255,255,.18)}
.cta__data li{padding:1rem 0;border-bottom:1px solid rgba(255,255,255,.18)}
.cta__data span{
  display:block;font-family:"JetBrains Mono",monospace;font-size:.66rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--brass-soft);margin-bottom:.35rem;
}
.cta__data a,.cta__data p{margin:0;color:#fff;text-decoration:none;font-size:.98rem;line-height:1.5}
.cta__data a:hover{color:var(--brass-soft)}

/* ---------- footer ---------- */
.foot{background:var(--navy);border-top:1px solid rgba(255,255,255,.12);padding:1.6rem 0}
.foot__in{display:flex;flex-wrap:wrap;gap:.6rem 1.5rem;justify-content:space-between;align-items:center}
.foot__claim{
  margin:0;font-family:"Archivo",sans-serif;font-weight:600;font-size:.82rem;
  letter-spacing:.12em;text-transform:uppercase;color:#fff;
}
.foot__legal{margin:0;font-size:.8rem;color:rgba(255,255,255,.55)}

/* ---------- botón flotante ---------- */
.float{
  position:fixed;right:18px;bottom:18px;z-index:120;
  display:inline-flex;align-items:center;gap:.5rem;
  background:var(--wa);color:#fff;text-decoration:none;
  padding:.8rem 1.15rem;border-radius:999px;font-family:"Archivo",sans-serif;font-weight:600;font-size:.92rem;
  box-shadow:0 14px 30px -12px rgba(31,168,85,.85);
  transition:transform .25s var(--ease);
}
.float svg{width:22px;height:22px;fill:currentColor}
.float:hover{transform:translateY(-3px)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .nav{display:none}
  .burger{display:block}
  .grid{grid-template-columns:1fr 1fr}
  .card--wide{grid-column:span 2;flex-direction:column}
  .card--wide .card__img{flex:none}
  .split,.cta{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .steps li{border-left:1px solid var(--line);padding-left:1.4rem}
  .steps li:nth-child(odd){border-left:0;padding-left:0}
  .steps li:nth-child(n+3){border-top:1px solid var(--line)}
  .manifest__in{grid-template-columns:repeat(3,1fr)}
  .manifest__i{border-top:1px solid rgba(255,255,255,.14)}
  .manifest__i:nth-child(3n+1){border-left:0}
}
@media (max-width:640px){
  body{font-size:16px}
  .head__cta{display:none}
  .grid,.steps,.split__pics{grid-template-columns:1fr}
  .card--wide,.card--brass{grid-column:span 1}
  .card--brass .card__body{padding:1.6rem}
  .steps li{border-left:0;border-top:1px solid var(--line);padding:1.3rem 0}
  .steps li:first-child{border-top:0}
  .manifest__in{grid-template-columns:1fr 1fr}
  .manifest__i:nth-child(3n+1){border-left:1px solid rgba(255,255,255,.14)}
  .manifest__i:nth-child(2n+1){border-left:0}
  .pic--tall{grid-row:span 1;min-height:220px}
  .float span{display:none}
  .float{padding:.9rem;right:14px;bottom:14px}
  .facts div{grid-template-columns:1fr;gap:.2rem}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}